CVE-2026-77894

HighCVSS 7.0/10Last modified Sep 24, 2026

Description

Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Installer allows an authorized attacker to elevate privileges locally.

Metrics

CVSS 3.1 7.0/10CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Sep 8, 2026
Last modified
Sep 24, 2026
NVD status
Analyzed

Related CVEs from 2026

CVE-2026-778957.5Out-of-bounds read in Windows DHCP Server allows an unauthorized attacker to deny service over a network.CVE-2026-778967.5Integer overflow or wraparound in Remote Desktop Client allows an unauthorized attacker to deny service over a network.CVE-2026-778977.0Relative path traversal in Power Automate allows an authorized attacker to elevate privileges locally.CVE-2026-778987.5Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code over a network.CVE-2026-778997.0Use after free in Windows Security Center allows an authorized attacker to elevate privileges locally.CVE-2026-77907.5Uncontrolled Resource Consumption vulnerability in ninenines cowlib (cow_http_te module) allows Excessive Allocation. The chunked transfer-CVE-2026-779009.8Missing authentication for critical function in Azure App Service allows an unauthorized attacker to execute code over a network.CVE-2026-779018.8Null pointer dereference in Microsoft Office Word allows an unauthorized attacker to execute code over a network.CVE-2026-779028.8Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.CVE-2026-779038.1Authentication bypass by spoofing in Microsoft Dataverse allows an unauthorized attacker to elevate privileges over a network.CVE-2026-779047.8Heap-based buffer overflow in Windows Volume Manager Extension Driver allows an authorized attacker to elevate privileges locally.CVE-2026-779057.0Use after free in Windows Management Instrumentation allows an authorized attacker to elevate privileges locally.
CVE-2026-77894: High severity, CVSS 7.0 | Vulnix